Use of uninitialized resource in Linux kernel net

1) Use of uninitialized resource

EUVDB-ID: #VU90880

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26635

CWE-ID: CWE-908 - Use of Uninitialized Resource

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the cpu_to_be16() function in net/llc/llc_core.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/165ad1e22779685c3ed3dd349c6c4c632309cc62
http://git.kernel.org/stable/c/b8e8838f82f332ae80c643dbb1ca4418d0628097
http://git.kernel.org/stable/c/9ccdef19cf9497c2803b005369668feb91cacdfd
http://git.kernel.org/stable/c/c0fe2fe7a5a291dfcf6dc64301732c8d3dc6a828
http://git.kernel.org/stable/c/660c3053d992b68fee893a0e9ec9159228cffdc6
http://git.kernel.org/stable/c/f1f34a515fb1e25e85dee94f781e7869ae351fb8
http://git.kernel.org/stable/c/df57fc2f2abf548aa889a36ab0bdcc94a75399dc
http://git.kernel.org/stable/c/e3f9bed9bee261e3347131764e42aeedf1ffea61

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.